#!/usr/bin/env python
#coding=utf-8
#filename=2-15a

#元素排序，从小到大

a = int(raw_input('enter number:'))
b = int(raw_input('enter number:'))
c = int(raw_input('enter number:'))

if a < b and b < c:
    print '%d<%d<%d' % (a,b,c)
elif a < b and b > c and a < c:
    print '%d<%d<%d' % (a,c,b)
elif a < b and b > c and a > c:
    print '%d<%d<%d' % (c,a,b)
elif a > b and b > c:
    print '%d<%d<%d' % (c,b,a)
elif a > b and b < c and a > c:
    print '%d<%d<%d' % (b,c,a)
else :
    print '%d<%d<%d' % (b,a,c)
    


    
    